Greene Dreher (Pa-447)
Key Takeaway
Greene Dreher (Pa-447) is classified as high hazard in Pennsylvania. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 43.1% in PA) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 196 acre-ft |
| Normal Storage | 4 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1961 (65 years old) |
| NID ID | PA00174 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
WAYNE COUNTY COMMISSIONERS
Local Government
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High Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Greene Dreher (Pa-447)?
Greene Dreher (Pa-447) is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Greene Dreher (Pa-447)?
Greene Dreher (Pa-447) is owned by WAYNE COUNTY COMMISSIONERS (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Greene Dreher (Pa-447) built?
Greene Dreher (Pa-447) was completed in 1961, making it 65 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Greene Dreher (Pa-447)?
Greene Dreher (Pa-447) serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Greene Dreher (Pa-447)?
Greene Dreher (Pa-447) has a dam height of 20 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Greene Dreher (Pa-447) last inspected?
Greene Dreher (Pa-447) was last inspected on November 20, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.